5th Grade Common Core Math 5 NBT.1 Understand The Place Value System 5.NBT.1 PDF provides students opportunities to practice and show mastery of their ability to recognize that in a multi-digit number, a digit in one place represents 10 times as much as it represents in the place to its right and 1/10 of what it represents in the place to its left.Now includes an Easel Activity and 4 Easel Assessments!It includes 40 distinct problems in 4 assessments with answer keys for all 4. The PDF is viewab